sulfonating agent

磺化剂

Examples

  • This choice fuming sulfuric acid ( 50 % ) as sulfonating agent obtained the highest content of active matter choose one alkyl ether and fuming sulfuric acid molar ratio of 1.0:1.6 more appropriate product to 58.4 % active matter content .

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  • The results show that the method which synthesize sulfoacetic acid disodium by using chloroacetic acid and ethyl chloroacetate as raw material and sulfite sodium as sulfonating agent by nucleophilic substitution reaction is feasible .

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  • After optimization ( organic solvent ) of dissolution-precipitation separation method effective removal of residual sulfonating agent and high yield ( over 96 % ) were achieved .

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  • Synthesis of Sodium Cyclamate Using R 3N u00b7 SO 3 as Sulfonating Agent

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  • The optimum sulfonation conditions were determined based on the study of the amount of sulfonating agent temperature and reaction time .

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  • An experiment plant for sulfonation reaction was designed in this paper . In accordance with the principle of sulfonation the dodecylbenzene was used as the material and SO 3 vaporized from 65 % fuming sulfuric acid as the sulfonating agent and the art conditions were studied also .

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  • In the reaction of sulfonation the azeotropic water removing sulfuric acid was used as sulfonating agent .

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  • The results showed that the degree of sulfonation increased with reaction temperature and amount of sulfonating agent increasing Tg and water absorption of SPS enhanced with increasing of sulfonation degree .

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  • The target product was synthesized by using chloroacetic acid and ethyl chloroacetate as raw material and sulfite sodium as sulfonating agent .

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  • The sulfonated poly aryl ether ketone ketone ( S PEKK ) with various sulfonation degree was prepared by reaction of PEKK with sulfuric acid as sulfonating agent and solvent .

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  • The influences of reaction temperature and amount of sulfonating agent on sulfonating reaction were investigated .

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  • The optimum conditions for synthesizing sodium cyclamate by using sulfur trioxide dioxane as sulfonating agent were investigated . The yield of sodium cyclamate is around 94.8 % and the purity is more than 98.2 % .

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